Heart-Urchin Fossil (Micraster coranguinum)

Common

Date

c. 85 million years BP

Object Type

Fossil

Medium / Material

Chalk-preserved echinoid

Production Place

Chalk, Kent, UK

Dimensions

H 55 × W 60 × D 35 mm · 95 g

Condition

Good

A heart-shaped echinoid ("sea potato") preserved in the Upper Chalk, showing the characteristic petaloid ambulacra.

Materials & Techniques

Flint-infilled calcite test in chalk

Provenance

Charles Warnock collection (late 19th century); subsequently acquired through Bonhams natural history auction, 2021.

Location

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